Company Description

Refractal secures AI agents that access sensitive data, use tools, and act across complex enterprise systems. The company provides visibility and control for security teams by discovering AI activity and monitoring how models interact with tools, data, and modalities. Refractal’s technology detects cross-layer attacks to protect organizations from emerging AI-driven threats. By enforcing policies across diverse AI environments, Refractal helps enterprises adopt AI safely while maintaining robust security and governance. The team focuses on building security solutions that address real-world AI risks at scale.

Role Description

The Cyber Security Engineer will play a key role in designing, implementing, and maintaining security controls for Refractal’s AI security platform. This full-time, on-site role in Cambridge, MA includes daily responsibilities such as assessing system and application vulnerabilities, hardening infrastructure, and monitoring security events related to AI activity across enterprise environments. The engineer will collaborate with product and engineering teams to integrate security into the software development lifecycle, conduct threat modeling, and implement secure configurations for networks, applications, and data systems. The role also involves responding to security incidents, developing and refining detection rules, and contributing to security policies and best practices tailored to AI-driven threats. The Cyber Security Engineer will help ensure compliance with relevant standards and support internal security awareness across the organization.